diff --git a/src/genworld_gui.cpp b/src/genworld_gui.cpp
index dea2acabff..94f97e7847 100644
--- a/src/genworld_gui.cpp
+++ b/src/genworld_gui.cpp
@@ -1125,7 +1125,7 @@ struct CreateScenarioWindow : public Window
 			case WID_CS_TROPICAL: case WID_CS_TOYLAND:
 				size.width += WidgetDimensions::scaled.fullbevel.Horizontal();
 				size.height += WidgetDimensions::scaled.fullbevel.Vertical();
-				break;
+				return;
 
 			case WID_CS_START_DATE_TEXT:
 				SetDParam(0, TimerGameCalendar::ConvertYMDToDate(CalendarTime::MAX_YEAR, 0, 1));